When you have the testure on the objects, adn do a intersection/difference, the
cutting
objects material is applied ABOVE the base objects texture..
I think this is what you see...
(spoken in uncertanity)

//Spider

Ken wrote:
> 
> If I have an object constructed using a CSG operation I get
> two different results in the rendered object if I apply the
> pigment and interior properties to the different pieces
> versus the CSG as a single object ( see example ).
> The difference is quite visible.
> 
> Why ?
> 
>  intersection{
>    cylinder{x*-3,x*3,1
>     pigment{rgbf<1,.7,.7,1>}
>      interior{ior 1.95}
>   }
> 
>   plane{-z,-0
>    pigment{rgbf<1,.7,.7,1>}
>     interior{ior 1.95}
>   }
>  }
> 
> vs.
> 
>  intersection{
> 
>  cylinder{x*-3,x*3,1}
> 
>  plane{-z,-0}
> 
>   pigment{rgbf<1,.7,.7,1>}
>    interior{ior 1.95}
>  }
> 
> --
> Ken Tyler
> 
> tyl### [at] pacbellnet

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